Kei Nishikori defeated Jurgen Melzer 6-7 7-5 6-2 in the Tokyo round of 32 on hard. The result followed the form book — Kei Nishikori came in leading the head-to-head 2–1, defending the title. Kei Nishikori extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-07 | Shanghai Masters | R32 | hard | Kei Nishikori | 6-4 3-6 6-1 |
| 2013-05-05 | Madrid Masters | R64 | clay | Kei Nishikori | 6-3 6-2 |
| 2009-01-19 | Australian Open | R128 | hard | Jurgen Melzer | 7-5 6-2 6-1 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.